Japan Trench: Difference between revisions
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[[Image:Japan Trench.jpg|right|thumb|325px|The Japan Trench lies east of [[Honshū]] island]] |
[[Image:Japan Trench.jpg|right|thumb|325px|The Japan Trench lies east of [[Honshū]] island]] |
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The '''Japan Trench''' is an [[oceanic trench]], a part of the [[Pacific Ring of Fire]], in the floor of the northern [[Pacific Ocean]] off northeast [[Japan]]. It extends from the [[Kuril Islands]] to the [[Bonin Islands]] and is {{Convert|10554|m|ft|-2}} at its deepest.{{Citation needed|date=March 2011}} It is an extension of the [[Kuril-Kamchatka Trench]] to the north and the [[Izu-Ogasawara Trench]] to its south with a length of {{Convert|800|km|mi|-2|abbr=on}}.<ref>http://www.d-food.jp/trough.html</ref> This trench is created when the oceanic [[Pacific plate]] [[subduction|subducts]] beneath the continental [[Okhotsk Plate]]. The subduction process causes bending of the downgoing plate, creating a deep-sea trench. Continuing movement on the subduction zone associated with the Japan Trench is one of the main causes of [[tsunamis]] and [[earthquakes]] in northern [[Japan]], including the [[Megathrust earthquake|megathrust]] [[2011 Tōhoku earthquake and tsunami|Tōhoku earthquake and resulting tsunami]] that occurred on 11 March 2011.<ref name="USGS1">{{cite web|url=http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0001xgp.php|title=Magnitude 8.9 – NEAR THE EAST COAST OF HONSHU, JAPAN 2011 March 11 05:46:23 UTC|publisher=[[United States Geological Survey]] (USGS)|accessdate=11 March 2011}}</ref> |
The '''Japan Trench''' is an [[oceanic trench]], a part of the [[Pacific Ring of Fire]], in the floor of the northern [[Pacific Ocean]] off northeast [[Japan]]. It extends from the [[Kuril Islands]] to the [[Bonin Islands]] and is {{Convert|10554|m|ft|-2}} at its deepest.{{Citation needed|date=March 2011}} It is an extension of the [[Kuril-Kamchatka Trench]] to the north and the [[Izu-Ogasawara Trench]] to its south with a length of {{Convert|800|km|mi|-2|abbr=on}}.<ref>http://www.d-food.jp/trough.html</ref> This trench is created when the oceanic [[Pacific plate]] [[subduction|subducts]] beneath the continental [[Okhotsk Plate]]. The subduction process causes bending of the downgoing plate, creating a deep-sea trench. Continuing movement on the subduction zone associated with the Japan Trench is one of the main causes of [[tsunamis]] and [[earthquakes]] in northern [[Japan]], including the [[Megathrust earthquake|megathrust]] [[2011 Tōhoku earthquake and tsunami|Tōhoku earthquake and resulting tsunami]] that occurred on 11 March 2011.<ref name="USGS1">{{cite web|url=http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0001xgp.php |title=Magnitude 8.9 – NEAR THE EAST COAST OF HONSHU, JAPAN 2011 March 11 05:46:23 UTC |publisher=[[United States Geological Survey]] (USGS) |accessdate=11 March 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20110312174548/http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0001xgp.php |archivedate=12 March 2011 |df= }}</ref> |
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==Exploration== |
==Exploration== |
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Revision as of 01:02, 22 May 2017
40°07′N 144°19′E / 40.117°N 144.317°E
The Japan Trench is an oceanic trench, a part of the Pacific Ring of Fire, in the floor of the northern Pacific Ocean off northeast Japan. It extends from the Kuril Islands to the Bonin Islands and is 10,554 metres (34,600 ft) at its deepest.[citation needed] It is an extension of the Kuril-Kamchatka Trench to the north and the Izu-Ogasawara Trench to its south with a length of 800 km (500 mi).[1] This trench is created when the oceanic Pacific plate subducts beneath the continental Okhotsk Plate. The subduction process causes bending of the downgoing plate, creating a deep-sea trench. Continuing movement on the subduction zone associated with the Japan Trench is one of the main causes of tsunamis and earthquakes in northern Japan, including the megathrust Tōhoku earthquake and resulting tsunami that occurred on 11 March 2011.[2]
Exploration
- On 11 August 1989, the Shinkai 6500 three-person submersible descended to 6,526 m (21,411 ft) while exploring the Japan Trench.[citation needed]
- In October 2008, a UK-Japan team discovered a shoal of fish, Pseudoliparis amblystomopsis at a depth of 7,700 m (25,300 ft) in the trench, these are believed to be the deepest living fish ever filmed.[3] The Bathyscaphe Trieste observed bottom-dwelling fish at the base of the Marianas Trench/Challenger deep at 10,916 m (35,814 ft).[4]
See also
References
- Notes
- ^ http://www.d-food.jp/trough.html
- ^ "Magnitude 8.9 – NEAR THE EAST COAST OF HONSHU, JAPAN 2011 March 11 05:46:23 UTC". United States Geological Survey (USGS). Archived from the original on 12 March 2011. Retrieved 11 March 2011.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ "'Deepest ever' living fish filmed". BBC News. 7 October 2008. Retrieved 2008-10-07.
- ^ National Oceanic and Atmospheric Administration (NOAA) webpage. Section "1960 - Man at the Deepest Depth".
External links
Media related to Japan Trench at Wikimedia Commons
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